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“unknown devices” connecting via ethernet to XB8 gateway SOLVED - caused by “known ethernet devices” generating additional MAC addresses
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Port forwarding for wired ethernet device
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3108
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Gigabit speed troubleshooting video
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25722
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Internet Troubleshooting Tips
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(11768)

Invalid MTU 9192 from xfinity for IPv6 (router advertisements?)
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21
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Expand service area
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1
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xFinity 2G vs 1200Mbps X2
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2
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Packet loss to Battlefield 6 official servers only
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61
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Promo Code MC50
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2
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Need to reprovision my modem after plan upgrade
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16
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Just had an appointment to fix my problem, it’s happening again and they want to schedule another appointment new appointment
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6
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Can't access gateway login page at 10.0.0.1
6
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121
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How to get fiber on a new construction house
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6
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upgrade router
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7
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Is Comcast really planning on CG-NATting customers?
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345
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Xfinity Won't Remove Block Of Personal Website
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21
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Internet drops every night for around 5 minutes
6
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1147
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New Xfinity Router dropping Wifi
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8
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Unable to Upload Large Files — Uploads Randomly Fail
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16
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